Cement industry plays an important role in the treatment of solid waste, such as living garbage, hazardous waste, and so on. This article mainly analyzes the present situation of Hazardous Waste Derived Fuel used in cement kilns both at home and abroad. The article provides assistance for the Hazardous waste derived fuel co-processing in cement kiln by analyzing and summarizing the characteristics of hazardous wastes. The advantages and disadvantages of the hazardous waste derived fuel disposal technology are analyzed in this article. In addition, the characteristics and present situation of hazardous wastes which are suitable for the derived fuel in China are also analyzed. In a word, the establishment of hazardous waste derived fuel processing is very importance for utilization of hazardous waste resources. 

Development of advanced control software is one of the important tasks in cement industry.  Production consumption, energy saving and environmental protection can be increased by using advanced control software in cement company. This article describes the development process of advanced control software which uses the predictive control strategy. The process includes the data acquisition, data processing and analysis, control system model identification, achievement of generalized predictive control algorithm, and so on.

By taking an EPC WHR Project as an example, this article compares and analyzes the economy and technology of whether the DCS system sets up remote station for HRSG, whether to adopt the Fieldbus and the other 2 programs. The results show that it is mature and reliable to set the DCS remote I / O station in the kiln inlet and outlet. It is not only easy to maintain, but also reduces the amount of cable and cost of cable installation. Thus construction cost was greatly reduced, so it is a reliable, reasonable and economical solution to set the DCS remote station in HRSG. Fieldbus technology is advanced, but at this stage problems for fieldbus technology will have a serious impact on the reliability of the system. Although costs for DCS systems and the number of cables can be reduced by using Eieldbus technology, the overall cost of power plant control system will increase and be higher than the conventional DCS system due to the increase of cost for fieldbus devices. Thus, it is not acceptable to use fieldbus technology for WHR Project at this stage.